Table 1: The thermal parameters of some RCC dam

Where, t is the age of concrete (d)

Two-graded RCC90 Triple-graded RCC90
(20MPa) (20MPa)
Adiabatic temperature rise (°C) Tt=19.18xt/(2.51+t) Tt=17.97xt /(2.51+t)
Thermal conductivity (kJ/(m·h·°C)) 9.036 8.314
Thermal diffusivity (m2/h) 0.0035 0.00341
Heat exchange coefficient (kJ/(m2·h·°C)) 42 42